Download the free app

How Many Atoms Are In Your Body?

November 11, 2015

Written byCuriosity Staff

Share

The estimate of seven billion billion billion atoms per human body was made for a person who weighs 70 kg (154 lbs), so your results may vary! 99% of these atoms would be hydrogen, oxygen, and carbon—the rest are trace elements. And let's not forget, the vast majority of these atoms came from stars that exploded billions of years ago.